212121120301320 has 128 divisors (see below), whose sum is σ = 656212746608640. Its totient is φ = 54824611649280.

The previous prime is 212121120301297. The next prime is 212121120301333. The reversal of 212121120301320 is 23103021121212.

It is a super-3 number, since 3×212121120301320³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181992516 + ... + 183154355.

It is an arithmetic number, because the mean of its divisors is an integer number (5126662082880).

Almost surely, 2^{212121120301320} is an apocalyptic number.

212121120301320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212121120301320 is an abundant number, since it is smaller than the sum of its proper divisors (444091626307320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212121120301320 is a wasteful number, since it uses less digits than its factorization.

212121120301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365147035 (or 365147031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 212121120301320 its reverse (23103021121212), we get a palindrome (235224141422532).

The spelling of 212121120301320 in words is "two hundred twelve trillion, one hundred twenty-one billion, one hundred twenty million, three hundred one thousand, three hundred twenty".